🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.46 AU - 0.58 AU

Year: 132 Days

Day: 36.2 Hours

Environment

Temp: 241 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.88 AU - 0.96 AU

Year: 312 Days

Day: 20 Hours

Environment

Temp: 123 °C

Axial Tilt: 45.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 29,424,238 km

• M1: 70,311 km (0.09 R)
• M2: 167,101 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.51 AU - 5.33 AU

Year: 3853 Days

Day: 32.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 15

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.55 AU - 6.49 AU

Year: 4579 Days

Day: 8.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,424,238 km

• M1: 194,627 km (0.105 R)
• M2: 688,599 km (0.102 R)
• M3: 1,703,770 km (0.068 R)
• M4: 2,291,391 km (0.103 R)
• M5: 2,850,887 km (0.1 R)
• M6: 3,320,026 km (0.058 R)
• M7: 4,065,023 km (0.101 R)
• M8: 5,051,023 km (0.116 R)
• M9: 6,009,945 km (0.059 R)
• M10: 6,661,144 km (0.07 R)
• M11: 7,532,253 km (0.109 R)
• M12: 8,253,015 km (0.045 R)
• M13: 11,420,900 km (0.084 R)
• M14: 16,072,496 km (0.11 R)
• M15: 18,848,285 km (0.103 R)
• M16: 21,643,222 km (0.032 R)
• M17: 22,584,342 km (0.063 R)
• M18: 24,782,234 km (0.105 R)
• M19: 25,572,260 km (0.11 R)
• M20: 28,987,879 km (0.106 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 12,562 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit